| 1. | Li xinguo , wang hongjun , zhao jun , etc , experimental study on the heat exchange performance of upipe underground heat exchanger with different backfilled material , j . of solar energy , ( in publish )
李新国,汪洪军,赵军,等.不同回填材料u型垂直埋管换热性能的实验研究,太阳能学报,待发表 |
